Terminology in Health Care and Public Health Settings Unit 9 Nervous System.

Terminology in Health Care and Public Health

SettingsUnit 9

Nervous System

Component 3/Unit 9Health IT Workforce Curriculum Version

1.0/Fall 20102

Nervous System Overview

• Objectives– Define, understand and correctly pronounce

medical terms related to Nervous System– Describe common disease and conditions,

laboratory and diagnostic procedures, medical and surgical procedures and medications related to the Nervous System

Nervous System Anatomy

• Central Nervous System– Brain encased in the

skull• Protective coverings

with three meninges– Pia mater

– Arachnoid

– Dura mater –

– Spinal Cord encased in the vertebral canal


1.0/Fall 20103


• Cerebrospinal fluid– subarachnoid space– spinal cord– ventricles

• Cerebrum – largest part of brain

• Divided into two hemispheres

• Cerebral cortex – primary motor and sensory areas


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• Hypothalamus• Regulation of

appetite, heart rate, body temperature, water balance, digestion and sexual activity

• Cerebellum – second largest part of brain

• Controls unconscious actions


1.0/Fall 20105

Cranial Nerves

• 12 pair of cranial nerves

– I Olfactory– II Optic – III Oculomotor– IV Trochlear– V Trigeminal– VI Abducens– VII Facial– VIII Auditory– IX Glossopharygeal– X Vagus– XI Spinal Accessory– XII Hypoglossal


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Cranial Nerves Functions

Cranial Nerves• I Olfactory• II Optic • III Oculomotor• IV Trochlear• V Trigeminal• VI Abducens• VII Facial• VIII Auditory• IX Glossopharygeal• X Vagus• XI Spinal Accessory• XII Hypoglossal

Major Functions• Smell• Vision• Eyelid and eyeball movement• Innervates superior oblique eye

muscle• Chewing, face & mouth• Turns eye laterally• Controls facial expressions• Hearing; equilibrium• Taste; senses carotid BP• Senses aortic BP; slows HR• Controls neck & shoulder

muscles• Controls tongue movements

Spinal Nerves

• 31 pair spinal nerves which leave the spinal cord are numbered according to the vertebra at which they exit the spinal column

• Spinal nerve T4, exits the spinal column through the foramen in the 4th thoracic vertebrae


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Brain Disorders and Diseases

• Alzheimer’s Disease– Symptoms

• Dementia– Progressive– Treatment

• Medications

• Brain Aneurysm– Symptoms– Treatment

• Brain Cancer– Primary vs Metastatic– Symptoms


1.0/Fall 201010

Brain Disorders and Diseases

• Epilepsy– Definition– Causes– Diagnostic tests– Treatments

• Parkinson’s Disease– Definition– Symptoms– Treatment

• Stroke– Two types

• Ischemic• Hemorrhagic

– Transient ischemia attacks (TIA)– Symptoms– Treatments


1.0/Fall 201011

Spinal Cord Disorders and Diseases

• Arteriovenous Malformations– Definition– Treatment

• Meningitis– Definition– Symptoms– Treatment

• Multiple Sclerosis– Definition– Symptoms– Risk factors– Treatment


1.0/Fall 201012

Nerve Disorders and Diseases

• Bell’s Palsy– Definition– Symptoms– Treatment

• Carpal Tunnel Syndrome (Median nerve entrapment)– Definition – Causes– Treatment

• Peripheral Nerve Disorders– Definition– Causes– Symptoms– Treatment


1.0/Fall 201013

Nerve Disorders and Diseases

• Neurofibromatosis– Also called Recklinghausen’s disease or von

Recklinghausen’s disease– Definition– Three types– Treatment

Nervous System Combining Forms

• Word Part Meaning Key Terms

• cerebell/o cerebellum cerebellar

• cerebr/o cerebrum cerebral

• crani/o cranium cranioclasis

• mening/o meninges meningioma

• myel/o marrow myelitis

• plegia paralysis quadriplegia

• thalam/o thalamus thalamotomyComponent 3/Unit 9

Health IT Workforce Curriculum Version 1.0/Fall 2010

14

Terminology in Health Care and Public Health Settings Unit 9 Nervous System.

Documents

workforce curriculum

nervous system slide

spinal accessory

health care

pair spinal nerves

public health settings

spinal cord disorders

hypoglossal component